Counting Atoms

Counting Atoms

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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10 questions

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1.

FLASHCARD QUESTION

Front

How many different elements are present in H2C2H3O2?

Back

3

2.

FLASHCARD QUESTION

Front

Which of these elements is not present in NaNO3? Options: sodium, hydrogen, oxygen, nitrogen

Back

hydrogen

3.

FLASHCARD QUESTION

Front

How many magnesium atoms are found in MgCl2?

Back

1

4.

FLASHCARD QUESTION

Front

How many aluminum atoms are found in Al2O3?

Back

2

5.

FLASHCARD QUESTION

Front

How many sulfur atoms are present in Al2(SO4)3?

Back

3

6.

FLASHCARD QUESTION

Front

A subscript will tell you the number of atoms of the element ___ it.

Back

before

7.

FLASHCARD QUESTION

Front

A subscript behind a set of parentheses belongs to

Back

all the elements within the parentheses before it

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